4920997120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7213}}^1$

素因数の和:7288

約数の個数: 144

約数和(自身を含む): 13005456912

約数和(自身を除く): 8084459792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 256, 260, 320, 328, 410, 416, 520, 533, 640, 656, 820, 832, 1040, 1066, 1280, 1312, 1640, 1664, 2080, 2132, 2624, 2665, 3280, 3328, 4160, 4264, 5248, 5330, 6560, 7213, 8320, 8528, 10496, 10660, 13120, 14426, 16640, 17056, 21320, 26240, 28852, 34112, 36065, 42640, 52480, 57704, 68224, 72130, 85280, 93769, 115408, 136448, 144260, 170560, 187538, 230816, 288520, 295733, 341120, 375076, 461632, 468845, 577040, 591466, 682240, 750152, 923264, 937690, 1154080, 1182932, 1478665, 1500304, 1846528, 1875380, 2308160, 2365864, 2957330, 3000608, 3750760, 3844529, 4616320, 4731728, 5914660, 6001216, 7501520, 7689058, 9232640, 9463456, 11829320, 12002432, 15003040, 15378116, 18926912, 19222645, 23658640, 24004864, 30006080, 30756232, 37853824, 38445290, 47317280, 60012160, 61512464, 75707648, 76890580, 94634560, 120024320, 123024928, 153781160, 189269120, 246049856, 307562320, 378538240, 492099712, 615124640, 984199424, 1230249280, 2460498560, 4920997120]

約数ペア:

[(1, 4920997120), (2, 2460498560), (4, 1230249280), (5, 984199424), (8, 615124640), (10, 492099712), (13, 378538240), (16, 307562320), (20, 246049856), (26, 189269120), (32, 153781160), (40, 123024928), (41, 120024320), (52, 94634560), (64, 76890580), (65, 75707648), (80, 61512464), (82, 60012160), (104, 47317280), (128, 38445290), (130, 37853824), (160, 30756232), (164, 30006080), (205, 24004864), (208, 23658640), (256, 19222645), (260, 18926912), (320, 15378116), (328, 15003040), (410, 12002432), (416, 11829320), (520, 9463456), (533, 9232640), (640, 7689058), (656, 7501520), (820, 6001216), (832, 5914660), (1040, 4731728), (1066, 4616320), (1280, 3844529), (1312, 3750760), (1640, 3000608), (1664, 2957330), (2080, 2365864), (2132, 2308160), (2624, 1875380), (2665, 1846528), (3280, 1500304), (3328, 1478665), (4160, 1182932), (4264, 1154080), (5248, 937690), (5330, 923264), (6560, 750152), (7213, 682240), (8320, 591466), (8528, 577040), (10496, 468845), (10660, 461632), (13120, 375076), (14426, 341120), (16640, 295733), (17056, 288520), (21320, 230816), (26240, 187538), (28852, 170560), (34112, 144260), (36065, 136448), (42640, 115408), (52480, 93769), (57704, 85280), (68224, 72130)]